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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Summary Of Property And Equipment
Property and equipment consist of the following (in thousands):
 
 
 
As of December 31,
 
Useful life (years)
 
2019
 
2018
Computer hardware and software
3-5
 
$
4,764

 
$
4,143

Manufacturing and lab equipment
2-7
 
59,395

 
50,797

Office equipment and furniture
5-7
 
1,462

 
1,127

Leasehold improvements
2-12
 
20,759

 
19,207

 
 
 
86,380

 
75,274

Accumulated depreciation
 
 
(58,633
)
 
(53,812
)
 
 
 
$
27,747

 
$
21,462